Related:

• I'm a doctor, not a mechanic." -- "The Doomsday Machine", when asked if he had heard of the idea of a doomsday machine.
  "I'm a doctor, not an escalator." -- "Friday's Child", when asked to help the very pregnant Ellen up a steep incline....
• McCoy: "Are you out of your Vulcan mind? No human can tolerate the radiation that's in there!
  Spock: "As you are so fond of observing, Doctor, I am not human....
• McCoy: "Behold! I am the Archangel Garbriel!" -- "Bread and Circuses", Stardate 4041.2.
• The release of emotion is what keeps us healthy. Emotionally healthy.
  That may be, Doctor. However, I have noted that the healthy release of emotion is frequently unhealthy for those closest to you....
• McCoy: "You're *not* going in there." Spock: "Perhaps you're right.
  What is Mister Scott's condition?" McCoy: "Well, I don't think that he--" Spock...
• Kirk: "Mister Scott, you're all spaced-out. You're well.
  Scott: "I had a wee bout, sir, but uh, Doctor McCoy pulled me through....
• Chang: "Doctor McCoy, would you be so good as to tell me.
  ..what is your current medical status?" McCoy: "Aside from a touch of arthritis, I'd say pretty good....
• McCoy: "For twenty-seven years, I've been the ship's surgeon aboard the U.
  S.S. Enterprise. In three months I stand down." Chang...
• Kirk: "How many fingers am I holding up?" McCoy: "That's not funny.
  -- "STIII:TSFS", Stardate 8210.3...